public class People {
private String name;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
    public People(){}
    public  People(String name , int age){
        this.name=name;
        this.age=age;
    }

    private int age;

public void TK(){
    System.out.println("37人在听课");
}

}
